{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,16]],"date-time":"2026-10-16T06:16:38Z","timestamp":1792131398081,"version":"4.4.0"},"reference-count":27,"publisher":"Canadian Science Publishing","issue":"10","license":[{"start":{"date-parts":[[2019,10,1]],"date-time":"2019-10-01T00:00:00Z","timestamp":1569888000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.nrcresearchpress.com\/page\/about\/CorporateTextAndDataMining"}],"content-domain":{"domain":["cdnsciencepub.com"],"crossmark-restriction":false},"short-container-title":["Appl. Physiol. Nutr. Metab."],"published-print":{"date-parts":[[2019,10]]},"abstract":"<jats:p> Purpose: To determine if single-frequency foot-to-foot bioelectrical impedance analysis (BIA) can detect acute changes in total body water (TBW) following consumption of isotonic saline. All participants ate a sodium-free meal at 4 h prior to the data collection visit and had euhydration confirmed using urine specific gravity at the beginning of the experimental visit. Subjects drank 466 mL of isotonic saline (Na<jats:sup>+<\/jats:sup> 140 mmol\u00b7L<jats:sup>\u22121<\/jats:sup>) following baseline measures. Blood sampling and BIA were performed at baseline and every 30 min for 3 h after saline consumption. Ten healthy participants completed this study. Plasma volume (5%\u0394, p &lt; 0.001) and serum sodium concentration (1%\u0394, p &lt; 0.001) increased by 60 min and 90 min, respectively. Body mass (p &lt; 0.001) displayed a biphasic response increasing to a peak at 30 min (+0.38\u0394kg) and then decreasing to its minimum at 180 min (\u20130.35\u0394kg). BIA impedance (p = 0.678) was unaffected by the saline administration. BIA-derived TBW (p = 0.039) decreased from baseline starting at 150 min (0.21\u0394kg). <\/jats:p><jats:p> Novelty Athletes and coaches wishing to achieve hyperhydration can do so through the consumption of isotonic fluid. 50 kHz foot-to-foot BIA-derived TBW is inadequate for measuring hyperhydration. Future studies should examine the physiological and performance effects of such a hyperhydration protocol. <\/jats:p>","DOI":"10.1139\/apnm-2019-0106","type":"journal-article","created":{"date-parts":[[2019,4,18]],"date-time":"2019-04-18T21:42:12Z","timestamp":1555623732000},"page":"1116-1120","update-policy":"https:\/\/doi.org\/10.1139\/csp-crossmark-policy","source":"Crossref","is-referenced-by-count":12,"title":["Bioelectrical impedance analysis does not detect an increase in total body water following isotonic fluid consumption"],"prefix":"10.1139","volume":"44","author":[{"given":"Evan L.","family":"Matthews","sequence":"first","affiliation":[{"name":"Department of Exercise Science and Physical Education, Montclair State University, Montclair, NJ 07043, USA."},{"name":"Department of Exercise Science and Physical Education, Montclair State University, Montclair, NJ 07043, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter A.","family":"Hosick","sequence":"additional","affiliation":[{"name":"Department of Exercise Science and Physical Education, Montclair State University, Montclair, NJ 07043, USA."},{"name":"Department of Exercise Science and Physical Education, Montclair State University, Montclair, NJ 07043, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"155","reference":[{"key":"refg1\/ref1","doi-asserted-by":"publisher","DOI":"10.1249\/mss.0b013e31802ca597"},{"key":"refg2\/ref2","doi-asserted-by":"publisher","DOI":"10.1111\/jhn.12259"},{"key":"refg3\/ref3","doi-asserted-by":"publisher","DOI":"10.1123\/ijsn.4.3.265"},{"key":"refg4\/ref4","doi-asserted-by":"publisher","DOI":"10.1054\/clnu.2000.0133"},{"key":"refg5\/ref5","doi-asserted-by":"publisher","DOI":"10.1080\/02640414.2013.796064"},{"key":"refg6\/ref6","doi-asserted-by":"publisher","DOI":"10.1097\/01.CSMR.0000306194.67241.76"},{"issue":"12","key":"refg7\/ref7","first-page":"1017","volume":"42","author":"Deurenberg P.","year":"1988","journal-title":"Eur. 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